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All results from a given calculation for HOCl (hypochlorous acid)

using model chemistry: QCISD(T)=FULL/6-311+G(3df,2p)

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at QCISD(T)=FULL/6-311+G(3df,2p)
 hartrees
Energy at 0K-535.503034
Energy at 298.15K-535.504124
HF Energy-534.911509
Nuclear repulsion energy51.020345
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at QCISD(T)=FULL/6-311+G(3df,2p)
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3816 3816        
2 A' 1270 1270        
3 A' 733 733        

Unscaled Zero Point Vibrational Energy (zpe) 2909.4 cm-1
Scaled (by 1) Zero Point Vibrational Energy (zpe) 2909.4 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at QCISD(T)=FULL/6-311+G(3df,2p)
ABC
20.57484 0.50256 0.49058

See section I.F.4 to change rotational constant units
Geometric Data calculated at QCISD(T)=FULL/6-311+G(3df,2p)

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
O1 0.036 1.101 0.000
H2 -0.902 1.323 0.000
Cl3 0.036 -0.596 0.000

Atom - Atom Distances (Å)
  O1 H2 Cl3
O10.96411.6967
H20.96412.1358
Cl31.69672.1358

picture of hypochlorous acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
H2 O1 Cl3 103.313
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability